This PR fixes the `15350`runbot issue that was due to the websocket subscribe not being properly awaited before logging out.When the log out occurred before the subscribe was received, the `odoo_ws` variable was `None`. closes odoo/odoo#118097 X-original-commit: 59af91840c3ed7253c1c3c9dd80a4919ebdee593 Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>